Portable computer



FIG. 1 is a right side, front perspective view showing my new design fora portable computer;

FIG. 2 is a perspective view thereof shown in the opened position;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

The ornamental design for a portable computer, as shown and described.